Do all CJ2A's leak oil??? |
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mikec4193
Member Joined: 23 May 2009 Location: Malta NY Status: Offline Points: 1143 |
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Posted: 14 Apr. 2014 at 12:11am |
Hi Everybody
My PILE as I call it is a 1947 CJ2A...it has a brandy new (all stock) rebuilt engine in it...every seal from bumper to bumper has been replaced...every single time I drive it it leaves puddles of what appears to be 90 weight and motor oil too...I don't understand engines very well so if someone can explain where all these puddles might be coming from??? I have been told more than once that "its a Jeep thing"....another..."all Jeeps leak oil"....another...."don't worry about the leaks; worry when it doesn't"...and another ..."oh it is just marking its spot"...I will grin when I hear these comments....nod my head as if I know what they are talking about... Do these vintage Jeeps in fact are they supposed to leak???...my daily driver (Chevy S10) will weep maybe a quarter size drop on the garage floor.... This 1947 CJ2A needs a large piece of cardboard for a diaper under it to catch all the dripping oil... Any insight would be great MikeC
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I am the squirrel....
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gmcjr
Member Joined: 20 Nov. 2005 Location: N.Texas Status: Offline Points: 495 |
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Do all CJ2As leak oil? In a nutshell, Most of them! As well as most 3As, 3Bs, etc. lol..
Keep in mind, oil sealing technology has greatly improved since these old jeeps where designed. In fact, if my old willys quit leaking, I would think it was out of oil. Edited by gmcjr - 14 Apr. 2014 at 12:38am |
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Gary
51 CJ-3A |
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Oilleaker1
Member Joined: 06 Sep. 2011 Location: Black Hills, SD Status: Offline Points: 4406 |
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Naaa! They don't leak. I think someone is following me around and every time I stop, they pump oil out of a can under mine! They sure are dedicated though . I never see them either! John
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Green Disease, Jeeps, Old Iron!
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scoutpilot
Member Joined: 30 Dec. 2008 Location: Asheboro, NC Status: Offline Points: 4373 |
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Mike, unless you have taken the time, or paid someone else to machine flat and smooth, every single mating surface, it will leak.
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Joe DeYoung
Member Sponsor Member x 2 Joined: 20 July 2005 Location: Madison WI Status: Offline Points: 3354 |
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2x what Rick said. They only leak because seal surfaces are not correct.
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Joe DeYoung
to many jeeps, parts, and accessories to list here, but apparently enough to keep me in trouble with my wife. |
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Thunder
Member Joined: 05 July 2013 Location: Denver Status: Offline Points: 166 |
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Murph isn't really running yet, so I cant comment about Old Flat Fendered Jeeps. However, I do own an old A-car with a Detroit engine. That one doesn't really leak, it just marks its territory...
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Follow my build here: http://www.thecj2apage.com/forums/murph_topic29621.html
CJ2A/ M-38 wannabe Spen Trailer SG474 |
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lschultz
Member Joined: 04 Apr. 2013 Location: Cistern,Tx Status: Offline Points: 37 |
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you noticed that too.
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2010 Dodge 2500 4x4
2013 Indian Cheif Vintage 1948 CJ2A |
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Tin Badge
Member Joined: 27 May 2011 Location: Clarksburg WV Status: Offline Points: 414 |
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Its the only way I know for sure there is fluid in it all the time. When it stops that's when to get concerned?
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Family Motto "If its not broken lets take it apart and lose some of the pieces and then it will be"
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bkreutz
Member Sponsor Member Joined: 17 Oct. 2006 Location: Fruitland Idaho Status: Offline Points: 7037 |
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Yes
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Adrian
Member Joined: 01 Oct. 2011 Location: New Zealand Status: Offline Points: 1517 |
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My one does not leak.....although I have not put any oil in it yet
If you can get a good quality gasket cement you will win, I use a 3 Bond proper Silicon based product for all my jobs and its proven to be great.....quite expensive, x Japan... Adrian
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1946 CJ-2A Column Change 14605
1973 Saab 96 |
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Jared1956
Member Joined: 29 May 2006 Location: De Soto, Missouri Status: Offline Points: 383 |
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I've yet to see one not leak!! I just fill all my cases every few months...transmission, transfer case, front and rear diffs, and crankcase. The steering box is also supposed to have oil in it and mine leaks it out quickly. Usually they don't take more than an ounce or two tops...it just looks like a lot on the garage floor!! LOL!
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Metcalf
Member Sponsor Member Joined: 21 May 2009 Location: Durango, Co Status: Offline Points: 736 |
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I would be more worried when they stop leaking.
It is probably running dry at that point. |
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42 MB that had a one night stand with a much younger 69 CJ5 and a 50s GM truck.
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Bill Norris
Member Joined: 01 May 2006 Location: MI Status: Offline Points: 1839 |
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The Chrysler Museum spent a bunch of money having an early 1945 CJ2A restored. I always got great satisifaction from seeing a nice little puddle under it when I would visit. Even the pros have trouble keeping them dry.
Bill
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Holy Toledo! Jeep Calendars and the Dispatcher Jeep magazine
http://dispatchermagazine.com |
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oldracer
Member Joined: 27 May 2010 Location: Conroe, Texas Status: Offline Points: 496 |
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I'm with you MikeC, Leaks are embarrassing. Living on an airport you will notice that hanger floors are exceptionally clean and much time and money are spent keeping them that way. The big Customs and Border
Enforcement hanger across from my house has eight Citation Jets and several helicopters in it and EVERY Friday they all are pulled outside and the hanger floor is washed and polished till it shines. After I got Grunt running again I started driving him over to a friends hanger for coffee and parking on the apron in front. After a few trips my friend took me aside one morning and politely asked if I would mind parking on the grass.
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T. Nick
If it's not broke, work on it till it is! 48 CJ2A #192834 "Grunt" |
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johnrb3b
Member Joined: 19 Dec. 2012 Location: Chicago area Status: Offline Points: 45 |
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Hi Mike,
Yes, all 2As leak. And all 3As and all 3Bs and all early 5s and . . . If if ain't leakin' it's out of lube. |
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1946 - CJ-2A serial # 40567 ACM 31930
1949 - me - no longer older than all my Jeeps. 1954 CJ-3B -- 1957 4x4 Wagon -- 2010 JK 4-door Past Jeeps 1954 CJ-3B - no tub -- 1959 CJ-3B - no engine |
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Joe DeYoung
Member Sponsor Member x 2 Joined: 20 July 2005 Location: Madison WI Status: Offline Points: 3354 |
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This drives me absolutely crazy. NO!!! Jeeps don't have to leak! There is nothing magical about these jeeps. They are like every other vehicle when it comes to sealing. They will leak past seals when the seal surfaces have poor size and/or surface finish. They will leak out mating surfaces when the mating surfaces are not flat. The will leak past splines if they are not sealed. It's as simple as that. The only exception would be is the shift tower rails on a top load transmission, and with the proper mods, that won't leak either. What I've noticed when help people with this problem is that most people working on them don't understand and/or recognize what a proper sealing surface should be like. So don't blame the jeep, blame the mechanic. OK... off my soap box now.
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Joe DeYoung
to many jeeps, parts, and accessories to list here, but apparently enough to keep me in trouble with my wife. |
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scoutpilot
Member Joined: 30 Dec. 2008 Location: Asheboro, NC Status: Offline Points: 4373 |
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Easy son. Easy now.
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SlowPocono
Member Joined: 25 Feb. 2014 Location: NEPA Status: Offline Points: 346 |
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Joe, I think you are absolutely correct.
I do have a question though. Does your Jeep leak, anywhere, at all? |
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